The topic of technology is addressed in several posts. For standard procedure, see technology, history of; hand Instrument. For description in the components that happen to be both of those the article and means of manipulating the atmosphere, see elastomers; industrial ceramics; industrial glass; metallurgy; mineral deposit; mineral processing; mining; https://www.prlog.org/12463482-vocalize-with-the-worlds-first-social-network-for-singers-and-voice-teachers.html